Finding the Fourth Proportional to 371,677.15, 512,889.19 and 201,907.63
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Solution
The fourth proportional to 371,677.15, 512,889.19 and 201,907.63 is: 278,618.80
Step by Step Solution
- Step 1: Write the proportion equation
371,677.15 : 512,889.19 = 201,907.63 : x - Step 2: Convert to fraction form
371,677.15/512,889.19 = 201,907.63/x - Step 3: Cross multiply
371,677.15x = 512,889.19 × 201,907.63 - Step 4: Simplify right side
371,677.15x = 103,556,240,805.52 - Step 5: Solve for x
x = 103,556,240,805.52/371,677.15 - Step 6: Final answer
x = 278,618.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.